John D. Chisholm, D.O.
NPI 1639291792ActiveIndividual· Internal Medicine· Norwood, MA
Internal Medicine (D.O.) in Norwood, Massachusetts, trained at University of New England, College of Osteo Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $420,788 for 4,277 claims, against $49,122 paid for services in 2024.
Overview
| NPI | 1639291792 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | Jan 7, 2021 |
| Certified by provider | Jan 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 258526 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 276 |
|---|---|
| Services billed | 2,122 across 127 procedure codes |
| Paid by Medicare | $49,122 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,277 · 9,896 30-day fills |
|---|---|
| Patients | 379 |
| Total drug cost | $420,788 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of New England, College of Osteo Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Atrius Health IncBraintree, MA · 1,222 clinicians
Hospital affiliations
- Beth Israel Deaconess Medical CenterBoston, MA
- Brigham and Women's HospitalBoston, MA
Other facilities
- Natick Walpole Visiting Nurse AssociationHome health agency · Walpole, MA
- Preferred Transitions Home Health Care IncHome health agency · Milford, MA
- Vna Care NetworkHome health agency · Worcester, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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